In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

The ‘standard of living’ of any country means the average person’s share of the goods and services which (1)______ country produces. A country’s ‘standard of living’, therefore, depends first and foremost on its (2)______ to produce wealth. ‘Wealth’ in this sense is not money, (3)______ we do not live on money, but on things that money can (4)______ ‘goods’ such as food and clothing, and ‘services’ such as transport and entertainment. A country’s ability to produce wealth depends on many factors, most of which have a/an (5)______ on others.